HAPPY BIRTHDAY TO YOU was published as a result of a conceptual social project by Anouk Kruithof, which she developed during her stay at "HET VIJFDE SEIZOEN" from January to March 2011. This is anartist-in-residence in the area of the psychiatric institution Altrecht in Den Dolder, the Netherlands. Kruithof has interviewed 10 patients about their wishes for their birthday and in accordance with those wishes, she organized and celebrated these birthdays for and with them.